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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 54 · 40 sums
TalentJR

The method (Count on): Start with the bigger number. Count on the smaller number, one finger at a time. For a missing number (8 + ? = 15), count on from 8 up to 15, or take away: 15 − 8.

NameDateTime takenScore ___ / 40
  1. 1.Kavya has 14 bananas and gets 1 banana more. How many bananas does Kavya have now?
  2. 2.? + 1 = 5
  3. 3.3 + 6 + 8 =
  4. 4.6 + 3 + 4 =
  5. 5.2 + 6 + 11 =
  6. 6.Sneha has 10 bananas and gets 7 bananas more. How many bananas does Sneha have now?
  7. 7.Lakshmi has 11 balloons and gets 5 balloons more. How many balloons does Lakshmi have now?
  8. 8.Ishaan has 15 marbles and gets 4 marbles more. How many marbles does Ishaan have now?
  9. 9.There are 2 pink kites and 2 blue kites. How many kites are there in all?
  10. 10.9 + 1 =
  11. 11.6 + 9 =
  12. 12.There are 8 white beads and 9 red beads. How many beads are there in all?
  13. 13.There are 7 green beads and 4 pink beads. How many beads are there in all?
  14. 14.There are 11 red balloons and 7 green balloons. How many balloons are there in all?
  15. 15.There are 4 blue flowers and 7 red flowers. How many flowers are there in all?
  16. 16.? + 9 = 13
  17. 17.Rohan has 4 crayons and gets 1 crayon more. How many crayons does Rohan have now?
  18. 18.4 + ? = 11
  19. 19.There are 9 white kites and 10 red kites. How many kites are there in all?
  20. 20.There are 7 yellow kites and 8 blue kites. How many kites are there in all?
  21. 21.Meera has 12 crayons and gets 7 crayons more. How many crayons does Meera have now?
  22. 22.There are 8 red beads and 3 green beads. How many beads are there in all?
  23. 23.7 + 3 + 2 =
  24. 24.? + 2 = 5
  25. 25.There are 2 blue balloons and 11 white balloons. How many balloons are there in all?
  26. 26.2 + 8 =
  27. 27.2 + 3 + 2 =
  28. 28.Karan has 15 balls and gets 3 balls more. How many balls does Karan have now?
  29. 29.4 + 7 + 6 =
  30. 30.7 + 8 + 5 =
  31. 31.There are 11 blue balloons and 2 white balloons. How many balloons are there in all?
  32. 32.Dev has 6 flowers and gets 10 flowers more. How many flowers does Dev have now?
  33. 33.? + 4 = 18
  34. 34.1 + 8 + 5 =
  35. 35.11 + 8 =
  36. 36.There are 7 blue flowers and 2 red flowers. How many flowers are there in all?
  37. 37.2 + 8 + 9 =
  38. 38.? + 3 = 10
  39. 39.Dev has 12 books and gets 6 books more. How many books does Dev have now?
  40. 40.There are 4 blue kites and 3 white kites. How many kites are there in all?

Answer key

  1. 15
  2. 4
  3. 17
  4. 13
  5. 19
  6. 17
  7. 16
  8. 19
  9. 4
  10. 10
  11. 15
  12. 17
  13. 11
  14. 18
  15. 11
  16. 4
  17. 5
  18. 7
  19. 19
  20. 15
  21. 19
  22. 11
  23. 12
  24. 3
  25. 13
  26. 10
  27. 7
  28. 18
  29. 17
  30. 20
  31. 13
  32. 16
  33. 14
  34. 14
  35. 19
  36. 9
  37. 19
  38. 7
  39. 18
  40. 7

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